.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 16px;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: -0.01em;
    text-decoration: none;
    transition: transform 0.12s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
    user-select: none;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--accent);
    color: #111;
    border-color: rgba(0, 0, 0, 0.10);
}

.btn-primary:hover {
    background: var(--accent-strong);
}

.btn-secondary {
    background: rgba(16, 16, 16, 0.88);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.10);
}

.btn-secondary:hover {
    background: rgba(16, 16, 16, 0.96);
}

.btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--text);
}

.btn-ghost:hover {
    background: rgba(16, 16, 16, 0.06);
}

.alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.70);
}

.alert-success {
    border-color: rgba(25, 135, 84, 0.25);
}

.alert-error {
    border-color: rgba(220, 53, 69, 0.25);
}

.alert-info {
    border-color: rgba(217, 98, 58, 0.35);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-primary {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-secondary {
    background: #e2e3e5;
    color: #383d41;
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}